Don’t mind the hand writing on the paper please but,

Sandy has to figure out the square footage of the shaded portion of the wall below in order to calculate the amount of paint needed to repaint it.

What is the area of the shaded portion?

A. 252 sq ft
B. 504 sq ft
C. 126 sq ft
D. 1008 sq ft

I know it’s not c because I got it wrong please help!!